1 low cell in a 5s pack

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Home › RC & Power › ✈️Aircraft › 🚁Helicopter › e-Electric Battery-Charger-pSupply › 1 low cell in a 5s pack

09-15-2009 08:57 PM 11 years ago

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kc7328

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Kansas City

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1 low cell in a 5s pack

Hey all.. I think i know the answer to this one.. but I want to check with all the pros around here : -)

After purchasing more than 20 hobbycity lipos and never having an issue.. i had my first one today..

got three new 5s 3000 packs and overall 2 of them are great..

pulled the connector off them, soldered some deans on.. and threw them on the charger/balancer..

2 worked great.. were really closely balanced and i have already hovered some packs in the backyard with them..

1 of them.. ( while plugged into my TP610 ) started alarming of an over charge.. upon closer inspection.. 4 of the 5 cells were charged and almost spot on balanced while one cell was sitting at about 3.74 volts..

should i balance/discharge the pack slowly today.. or maybe overnight and then try charging again tomorrow at say 1 or .5 amps..Alimony is like buying hay for a dead horse !!!

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09-15-2009 09:42 PM 11 years ago

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GyroFreak

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Orlando Florida ...28N 81W

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I also had a Turnegy showing out of balance and alarmed (5S 5000mah). I charged at a low rate (1 amp) and let the balancer TP 210 try to work it's magic. It is still unbalanced slightly but no alarms now so I have been using it with no problem. I had to add a small fan to the 210 to cool it since it was always trying to bring down 4 cells to match the one low cell.
I know that didn't really give you a good answer, but that what I have done, didn't completely fix it but a lest no more alarms.
PaulI think about the hereafter. I go somewhere to get something, then wonder what I'm here after ?

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09-15-2009 09:48 PM 11 years ago

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Heli 770

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USA.

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Try and use a "Blinky" on the the packs.

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09-15-2009 11:06 PM 11 years ago

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kc7328

rrApprentice

Kansas City

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Thanks for the info guys..

I dont have a blinky.. but i do have a TP205 balancer..
I think i will hook it up here in a little while and let it do its magic all night long ..

Question on the tp610 as that is a new charger / balancer for me..

Can you set it to do just a balance.. or must you balance while charging ?Alimony is like buying hay for a dead horse !!!

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09-16-2009 03:14 AM 11 years ago

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GyroFreak

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Orlando Florida ...28N 81W

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The TP 210 will act as a balancer on it's own, just don't hook up the data cable.

BIG EDIT: Sorry, I meant the 210, which is balancer in it's own right, like the blinky, except it can work with the TP 1010C charger thru a com cable.I think about the hereafter. I go somewhere to get something, then wonder what I'm here after ?

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